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Finding the Fourth Proportional to 301,037.67, 415,121.90 and 210,360.60

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Solution

The fourth proportional to 301,037.67, 415,121.90 and 210,360.60 is: 290,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,037.67 : 415,121.90 = 210,360.60 : x
  2. Step 2: Convert to fraction form
    301,037.67/415,121.90 = 210,360.60/x
  3. Step 3: Cross multiply
    301,037.67x = 415,121.90 × 210,360.60
  4. Step 4: Simplify right side
    301,037.67x = 87,325,290,905.34
  5. Step 5: Solve for x
    x = 87,325,290,905.34/301,037.67
  6. Step 6: Final answer
    x = 290,080.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.